Climate Insights for Issoire

The climate in Issoire is temperate. The average annual temperature is 10°C and approximately 901mm of precipitation falls per year. Issoire receives a notable amount of rainfall throughout the year, including during its driest month. Issoire is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are January, February, December, when temperatures can drop to 0°C. Snowfall occurs from January to December, with around 75cm accumulating over the season.

Temperatures in Issoire vary considerably across the year, with a 26°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 26°C and the mean temperature sits around 19°C. The coldest month is January, when overnight lows fall to 0°C and the daily average is 3°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.

Issoire is a moderately rainy area, receiving approximately 901mm of precipitation annually, which averages out to around 75mm per month. The wettest month is May, averaging 105mm of rainfall. June and December also tend to see above-average precipitation. The driest month is September, with just 48mm. That's 57mm less than May, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 75cm accumulating over the season. January typically sees the most snow at around 21cm.

Issoire is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently spring in Issoire, which began on March 20, 2026. Issoire is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 26°C, while the coldest stretch bottoms out in January near 0°C. Summer is next, beginning on June 21, 2026 — 3 days from now.

The best time to visit Issoire is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 65mm per month. By contrast, January can be quite cold with temperatures dropping to 0°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Issoire based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.